rof. F. M. JAEGER AND Prof. H. HAGA: RONTGENPATTERNS OF TRICLINIC 
CRYSTALS, ETC 
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Fig. 13. 
Quartz. Plate parallel to (0001). 
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Fig. 15 
Brucite. Plate parallel to (0001). 
-roceedings of the Acad. of Sciences, Amsterdam XVIII Ac 1915/1916, 
. 
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Quartz. Plate parallel to (1010) 
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Fig. 16 
Antimonite. Plate parallel to (010). 
PLATE IV 
